1.We must ________ that the experiment is controlled as rigidly as possible.
2.The statistics ________ that living standards in the area have improved drastically in recent times.
3.After the heavy rain, a builder was called to repair the roof, which was _______.
4.Either my father or my brothers_______to the party.
A.are going to come
D.is going to come
5.When carbon is added to iron in proper_____ the result is steel.
6.Grace ________ tears when she heard the sad news.
A. broke in
B. broke into
C. broke off
D. broke through
7.It is imperative that the government _______ more investment into the shipbuilding industry.
8.He made a plea _______more time so that he could get the job well done.
9.Modern statesmen are often faced with________ problems_______ defeated the ancient Romans.
A.the same ... as
B.such many ... as
C.as ... as such
D.such ... as they
10.Your _______ in teaching is different from mine.
11.The book _______is not available at the library.
12.Last year Sam earned _______his brother.
A.twice as more
B.twice as many as
C.more twice than
D.twice as much as
13.Please ______dictionaries when you are not sure of word spelling or meaning.
14.Joe is not good at sports, but when it______ mathematics, he is the best in the class.
A.comes up to
B.comes around to
D.comes on to
15.He is a T. A. In the Department of English. T. A. Means teaching _______.
16.You should try to _____your ambition and be more realistic.
17.Get up early and run every day. You will _______ a lot from it.
18.________finished your work so early?
A.How come you
B.How do you come
C.How can you come
D.How you come
19.I didn’t know where to send this _______ letter.
20.It is only recently _________astronomers have begun specific research into black holes.
21.He used to_________at the River Seine and the golden reflections of the setting sun to establish an atmosphere for creativity.
22.Loudspeakers were fixed in the hall so that everyone _______ an opportunity to hear the speech.
A.ought to have
23.My daughter has walked eight miles today. We never guessed that she could walk _______ far.
24.He has to __________to the chairman for all the money he spends.
25.She was not _________her best in the game today.
26.I believe his invention ______of great importance to the industrial development of that country.
27.She was so fat that she could only just _______ through the door.
28.Tomorrow we will _______ our day of independence.
29.In order to make things convenient for the people, the department is planning to set up some_____ shops in the residential area.
30.There is a fully _____health center on the ground floor of the main office building.
31.There is a ______of impatience in the tone of his voice.
32.I had taken it for_______that Sally would tell whenever she got the useful information.
33._______the physiological system will reset itself, but it does take time.
C.By the time
D.At the time
34.They did find that ________appears in a dream has far greater influence on mood than ________occurs in the dream.
A.the person ... the thing
B.who ... what
C.who ... that
D.the person who ... which
35.He made a request _______immediate help.
36.Usually, they have been _______by foreign businessmen, diplomats or Britons returning from abroad.
37.Scientists will have to__________new methods of increasing the world's food supply.
B.come up for
D.come up with
38.Those people ________ a general understanding of the present situation.
A. lack of
B.are lacking of
D.are in lack
39.I am afraid it was a _______ for you to do this.
40.________Sally likes the present is not clear to me.
41.Peter had his piano _______ yesterday and the result is excellent.
42.Historically, scientists and inventors are one group that seem to take full________of relaxed moments.
43.There are only ten apples left in the baskets, _________ the spoilt ones.
B.not to count
D.having not counted
44.We all _______ your coming to help us.
45.Milk,butter,and cheese are _______ here from the farms.
46.The secretary and headmaster of the school ________present at the meeting.
47.I must congratulate you _____the excellent design of the new bridge.
48.I'm sorry I'm late. I got _________by a friend on the way here.
49.But that you helped him, he________.
A.will have failed
B.would have failed
D.should have failed
50.Many people nowadays save money to _______ for their old age.